National Weather Service Forecast for: Vallejo CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:36 pm PST Dec 22, 2025
 
This
Afternoon
This Afternoon: Rain likely.  Cloudy, with a high near 58. Light south southwest wind.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Rain Likely

Tonight

Tonight: Rain likely, mainly before 2am.  Patchy fog after midnight.  Otherwise, cloudy, with a low around 54. Light and variable wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Rain Likely
and Patchy
Fog
Tuesday

Tuesday: A 50 percent chance of rain after noon.  Patchy fog before 11am.  Otherwise, cloudy, with a high near 58. Southeast wind 8 to 11 mph, with gusts as high as 23 mph.  New precipitation amounts between a tenth and quarter of an inch possible.
Chance Rain
and Patchy
Fog
Tuesday
Night
Tuesday Night: Rain, mainly before 4am.  Low around 51. South southeast wind 16 to 21 mph, with gusts as high as 36 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Rain

Wednesday

Wednesday: Rain, mainly between 10am and 4pm, then showers and possibly a thunderstorm after 4pm.  High near 55. South southwest wind 10 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 80%.
Showers

Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm before 7pm, then rain between 7pm and 1am, then showers and possibly a thunderstorm after 1am.  Low around 52. Chance of precipitation is 100%.
Showers

Christmas
Day
Christmas Day: Showers and possibly a thunderstorm before 10am, then rain between 10am and 4pm, then showers and possibly a thunderstorm after 4pm.  High near 53. Breezy.  Chance of precipitation is 100%.
Showers and
Breezy
Thursday
Night
Thursday Night: Showers and possibly a thunderstorm before 10pm, then rain after 10pm.  Cloudy, with a low around 47.
Showers

Friday

Friday: Rain, mainly before 4pm.  Mostly cloudy, with a high near 52.
Rain

Hi 58 °F Lo 54 °F Hi 58 °F Lo 51 °F Hi 55 °F Lo 52 °F Hi 53 °F Lo 47 °F Hi 52 °F

Flood Watch
High Wind Watch
 

This Afternoon
 
Rain likely. Cloudy, with a high near 58. Light south southwest wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
 
Rain likely, mainly before 2am. Patchy fog after midnight. Otherwise, cloudy, with a low around 54. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
 
A 50 percent chance of rain after noon. Patchy fog before 11am. Otherwise, cloudy, with a high near 58. Southeast wind 8 to 11 mph, with gusts as high as 23 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
 
Rain, mainly before 4am. Low around 51. South southeast wind 16 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
 
Rain, mainly between 10am and 4pm, then showers and possibly a thunderstorm after 4pm. High near 55. South southwest wind 10 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%.
Wednesday Night
 
Showers and possibly a thunderstorm before 7pm, then rain between 7pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 52. Chance of precipitation is 100%.
Christmas Day
 
Showers and possibly a thunderstorm before 10am, then rain between 10am and 4pm, then showers and possibly a thunderstorm after 4pm. High near 53. Breezy. Chance of precipitation is 100%.
Thursday Night
 
Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Cloudy, with a low around 47.
Friday
 
Rain, mainly before 4pm. Mostly cloudy, with a high near 52.
Friday Night
 
A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 41.
Saturday
 
Mostly sunny, with a high near 50.
Saturday Night
 
Mostly clear, with a low around 37.
Sunday
 
Sunny, with a high near 49.
Sunday Night
 
Mostly clear, with a low around 37.
Monday
 
Sunny, with a high near 50.

 

Forecast from NOAA-NWS for Vallejo CA.